Jane and Fischer investigate a murder at an oil fracking site, while Rigsby and Van Pelt travel to Austin to reunite with the team and help investigate suspects in the string of attacks on former CBI team members.
Curtis questions Ethan's interest in the investigation of the mysterious death of a beautiful twin; Megan runs into resistance while investigating the death of a patient at the hospital where she used to work.
Tommy and Mike must put aside their differences when a roadblock puts a halt to a routine call; Sheila uses her leverage to control Tommy's drinking; Lou refuses to give in to the allure of an old flame.
Tommy's pacts with Sheila and Janet begin to unravel; to Tommy's chagrin, one Gavin remains sexually adventurous; Garrity divulges his medical secret; Tommy proclaims his recent drinking at an AA meeting, but Mickey offers the final surprise.
Lou and Tommy vie to be the last single man standing; Garrity looks worse than the guys expected, and they have no idea how far from reality Garrity has drifted.
