The Drowning Girls

After their father's passing, Cass and her sister Sid work to save their family's dive school in Cornwall, which is facing financial struggles and internal conflicts. Upon Cass's return home, she uncovers troubling changes and a body in the water, amid a string of missing girls. As secrets come to light, Cass begins to question how much danger lurks beneath the surface and what lengths someone will go to hide the truth.