Lost Girl - Season 2 - Eps 20: Lachlan's Gambit
The Ash takes drastic action against the threat bearing down on him, which in turn convinces Bo to make a potentially life-threatening decision. When those close to her suffer devastating injuries, Bo can no longer ignore her destiny.
About Lost Girl

Title: Lost Girl
First Air Date: 2010-09-12
Last Air Date: 2015-10-25
Status: Ended
Rating: 7.728/10 (from 414 votes)
Language: EN
Seasons: 6
Total Episodes: 77
Network: Syfy Showcase
Genres: Sci-Fi & Fantasy, Drama
Production Companies: Bo Series, Prodigy Pictures
Synopsis
The gorgeous and charismatic Bo is a supernatural being called a succubus who feeds on the energy of humans, sometimes with fatal results. Refusing to embrace her supernatural clan and its rigid hierarchy, Bo is a renegade who takes up the fight for the underdog while searching for the truth about her own mysterious origins.
Cast

Anna Silk
Bo

Zoie Palmer
Lauren

Kristen Holden-Ried
Dyson

Richard Howland
Trick

Rachel Skarsten
Tamsin