Running out of options, Coulson's only hope at saving his team is to put them in the line of fire; a doctor (Kyle MacLachlan) with dangerous secrets could impact a core team member.

While Coulson tries to learn more about the mysterious writing, Melinda May attacks him; Fitz must save the team from an explosive situation.

Coulson and the team are confronted with Hydra's security chief -- the beautiful, deadly Bobbi Morse (Adrianne Palicki); Skye's father wants to see his daughter and forces Raina to arrange it.

An elusive girl may hold the key to a mystery that brings the team to Asia; a secret jeopardizes Skye's relationship with the team.

Coulson brings in Mike Peterson for some super-soldier support in the war against Centipede; a twist puts the team at risk.

Whitehall and Coulson's forces take part in an explosive confrontation that changes everyone's fate; Skye uncovers secrets about her past.

Coulson discovers important information about his mysterious death but it may come at a cost to the team.

SHIELD discovers the ancient city but uncovering the secrets may require a major sacrifice; May and Skye are determined to get Raina before Whitehall.

Coulson and his team risk everything to stop Garrett and HYDRA.

Coulson and his team choose an unlikely refuge to hide from Talbot and work on uncovering S.H.I.E.L.D.'s secrets.

Shocking secrets -- and Ward's betrayal -- are revealed as Coulson and the team go on an undercover mission.

Coulson and the team are faced with the consequences of the war with Hydra as revelations threaten to destroy them; Hydra makes a move.

After Robert Gonzales takes action, Coulson fights to protect the future of S.H.I.E.L.D.; Skye meets an enigmatic inhuman.

The story of Melinda's transformation is revealed; Skye learns more about her heritage -- and the truth sends her in a new direction.

S.H.I.E.L.D. puts it all on a line to survive a fight that blurs the line between friend and enemy; the team must make sacrifices that will alter relationships forever.

Gonzales and Coulson fight to put aside their differences as they work with an untrustworthy ally to attack Hydra.

As tensions rise between S.H.I.E.L.D. and the Inhumans, Skye finds herself torn between the groups; Coulson reveals a secret.