Jack Joyce is the brother of Will Joyce and a protagonist in Quantum Break.
Jack, Beth Wilder and his best friend, Paul Serene, were all present at the Riverport University when a time-travel experiment goes wrong. The incident gives him the power to stop and manipulate moments in time. He discovers he has the ability to bring people and objects out of zero state, though he must be touching them or else they'll return to their stasis-like position inside the zero state again.
Prior to events known thus far, Jack's brother, Will Joyce, has been murdered. It is implied that Paul Serene, Jack's best friend, was responsible for his death. Read More