Mike teams with Jack Soloff on a case. Esther Litt returns to P.S.L. in hopes of discreetly solving a problem. Donna and Harvey try to return their friendship to normal.

An explosive Inhuman surfaces and the team are tasked with containing it. Elsewhere: Coulson and Mack encounter Radcliffe’s inspiration for Aida.

Agents Sam and Billy Koenig are hunted down to get at the Darkhold book, and only Coulson and the team can save them before the clock ticks out.

Though Coulson and May are growing closer, Coulson remains unaware of the dark secret May is hiding beneath the surface. Meanwhile, Aida is unrelenting in her search for the Darkhold.