A therapy session turns into a battle of wills when Sweets reveals that Booth recently turned down a promotion - without consulting Brennan. Will Booth finally admit why he's so loath to leave? Or will Sweets' meddling stoke a wealth of unresolved issues?

All of Sweets' patients are forced to attend a team-building exercise, much to the distaste of our dynamic duo. Surrounded by partners who have a strained relationship, will Brennan and Booth finally realise how special their bond really is?