Nathan and Jacqueline Hendrix have been trapped in a loveless marriage for five years. Desperate to find either reconciliation or closure, they decide to see a marriage counsellor. Enter Heidi Wang, a highly regarded therapist in Chicago known for her success in mending fractured relationships. Confident in her ability to help the couple, Heidi takes on their case.
However, as therapy sessions progress, Heidi finds herself unexpectedly drawn to Nathan. His vulnerability and quiet strength spark feelings she knows are dangerous and unethical. Nathan, too, begins to feel a connection with Heidi that he hasn't felt with anyone in his life.
As their emotions intensify, both Heidi and Nathan struggle with the forbidden desires that threaten to unravel their lives. Torn between professional duty and personal longing, Heidi must decide whether to risk everything for a love that may never have been hers to claim.