Donna Smoak and Paul Blackthorne's Det. Lance reach a crossroads in their growing relationship, according to the just-released episode synopsis for "Code of Silence," the Feb. 17 episode of "Arrow." Meanwhile Oliver begins to think that before he and Felicity get married, he he should tell her about his son.

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"Code of Silence": SECRETS AND LIES - Oliver (Stephen Amell) and team uncover HIVE's plan to take out Team Arrow once and for all. With HIVE's next attack imminent, Lance (Paul Blackthorne) wonders if Donna (guest star Charlotte Ross) is safer without him in her life. Meanwhile, with the wedding fast approaching, Oliver begins to feel guilty that he hasn't told Felicity (Emily Bett Rickards) about his son. (#414). Original airdate 2/17/16.

"Arrow" airs on Wednesdays at 8 p.m. on The CW.