Still reeling from his mother's departure, Alphy drowns his sorrows until a case at the grand but crumbling Larson Manor forces him back to work — and into a mystery. As Geordie confronts his own loneliness and accepts a promotion that could end their partnership, Leonard rediscovers his calling through a troubled young boy, and Cathy faces temptation at CeCe's.

When a man is found dead near Bishop Grey's home, Alphy and Geordie uncover corruption within the Church's inner circle. Alphy's faith is shaken as he confronts hypocrisy and elitism, while Geordie secures his long-awaited promotion but faces growing distance from Cathy. Meanwhile, Leonard returns to his calling.