In Season 4, Mike comes to Harvey with a plan to buy out a corporation, but Harvey is soon stuck with a conflict of interest. Meanwhile, Jessica must choose between a romantic or professional relationship. The season ends with Harvey going after Forstman in the Eric Woodall case. Mike proposes to Rachel by giving her the ring Mike;s grandmother used. In the meantime, Donna tries to get what she wants from Harvey but in the end leaves him and becomes Louis; secretary.