Ep 3. Lovers. Apart.

In Lost Girl season 4 episode 3 titled "Lovers. Apart.," Bo is hired by the Dark Fae leader to investigate a case involving the death of his lover, a powerful healer. Bo poses as the man's new love interest and soon discovers that the culprit is a Lich, a powerful magical creature that feeds on human souls. Bo, along with Tamsin and Dyson, sets off to find the Lich and put an end to its murderous spree.

Meanwhile, Kenzi is still struggling with her role in the Fae world and her relationship with Hale. She decides to take matters into her own hands and teams up with Vex to investigate a strange case involving the disappearance of a group of college students. Their investigation leads them to an underground rave where they discover a drug that enhances human abilities but has deadly consequences.

As the two cases unfold, Bo and Kenzi find themselves at odds with each other, as Bo is focused on the Dark Fae case while Kenzi is determined to uncover the truth behind the missing students. Their conflicting priorities put a strain on their friendship, leaving both of them questioning their loyalty to one another.

In the end, Bo and her team are able to defeat the Lich and bring justice to the Dark Fae leader. Kenzi, with the help of Vex, uncovers the truth behind the drug and saves the lives of the missing students. The episode ends with Bo and Kenzi rekindling their friendship and realizing that, despite their differences, they are stronger together than apart.