Yasir is thrilled when he gets a contract to build a pumping substation in Mercy. One snag: he has no idea how to build one. So he brings in outside help: JJ, an engineer and the son of his old friend Kareem. With an undeniable chemistry between Rayyan and JJ, it looks like his presence in Mercy will lead to more than just a job. Meanwhile, Baber forces Layla to build her resume by becoming a summer intern—a move he soon regrets when Fred Tupper takes her under his wing.