Sandra Bullock and Melissa McCarthy star as two mismatched cops in this comedy from 'Bridesmaids' director Paul Feig. Unaware that her colleagues hate her, prim and priggish FBI special agent Sarah Ashburn (Bullock) is seconded to Boston where she's forced to team up with foul-mouthed, take-no-prisoners detective Shannon Mullins (McCarthy). When the pair are ordered to take down a local drug baron, the two cops' wildly contrasting styles - and mutual hatred - soon threaten to derail their mission. But as the weeks pass, a grudging admiration for each others' methods brings about a thawing in hostilities, as the ill-starred crimefighters turn out to be a force to be reckoned with.