Everyone bands together to try to stop Samuel from taking the lives of thousands. Peter joins forces with his most unexpected ally to save Emma. Meanwhile, H.R.G.’s life hangs in…

As Claire becomes immersed into the world of the Carnival, she becomes increasingly suspicious of Samuel’s motives. Hiro is on a mission to rescue one of his own, but has…

After the city’s gun buy-back program is robbed, the team is on a hunt for those responsible. Meanwhile, Murtaugh walks on thin ice with Trish, Riggs finds an unlikely friend…