Bison meets with Juri at the new criminal organization called SIN,the remnants of Shadaloo. She explains that the scientist has invented not only an Android called Seth,but also a female clone of Bison,Cammy.

Later,Ryu watches Ken faces off with Rufus & wins. They meet with Guile & his wife,Julia. Chun-Li appears & learns about Bison's return. A commotion erupts in the city. They encounter Bison,who brought forth Cammy. The Fighters got overpowered,but are saved by Abel,who learned about SIN's plan. Bison announces the next tournament & draw the fighters here. Unbeknownst to them,SIN completed the BLECE project & wanted Ryu's Satsui no Hado.

Ryu,Ken,Guile,Chun-Chi,& Abel enters the tournament along with Zangief,Dhalsim,& Blanka. The new fighters are Ibuki,Dudley,Elena,Sakura,Mika,Alex,& Marisa. Mika has been idolizing Zangief during match. Sakura has been learning about Ryu's moves. Bison announces that if they defeat all of their opponents,including Sagat(who held a grudge against Ryu long time ago),Cammy,Juri,Balrog,& Vega,they will be facing Seth.

In the first round,Ryu,Ken,& Chun-Li won against Sagat,Vega,& Balrog,but Elena & Alex lost to Juri & Cammy. Sakura,Mika,Abel,Zangief,& Dhalsim won against Blanka,Marisa,Ibuki,Guile,& Dudley. Sakura reveals to Ryu that dreamed of being a fighter when she was little.

The Second Round begins with Sakura fighting with Juri & wins. Ryu,Ken,& Abel won against Dhalsim,Mika,& Zangief,but Chun-Li lost to Cammy. Unbeknownst to the fighters,Abel has been working with SIN this whole time. Before the third round begins,3 of the fighters must be advanced to the Semi-Finals. Ryu,Sakura,& Cammy are advanced. As Round 3 begins with the two fighting,Abel confesses Ken about his deal with SIN & making him lead Ryu into a trap if he loses. Ken won against him,but not before Abel tells him to stop SIN.

The Semi-Final begins. Ken begun fighting with Cammy,who mentioned that She was only given orders ever since she was created. Ken advise her that all people have the rights to have Knowledge,Friendship,& love rather than orders. Cammy won against him,but couldn't get his advice out of her head. As He & Sakura fought eachother,Ryu tells her that she could be the fighter who wins,allowing her to beat him. Ryu was taken to SIN where Seth prepares to absorb Ryu's powers & transfer it into BLECE.

Ken & the other fighters infiltrates while Sakura fights with Cammy & wins. They freed Ryu destroys the machine. Ryu & Sakura fights with Bison & Seth. Cammy,who has a change of heart,defeats Bison while Ryu ripped open Seth's chest & Sakura destroys his power core. Bison,Balrog,Vega,& Juri fled as the SIN base exploded.

The fighters celebrate their victory before being joined by Sagat,Cammy,& Abel. Ken begin to have a relationship with Cammy. Ryu announces that Sakura has been a best fighter.