The One

E1. Episode 1

As business booms at her DNA-based matchmaking service, co-creator and CEO Rebecca Webb seems unstoppable — until a body is found in the Thames.

★ 6.0

E2. Episode 2

Facing a murder investigation, Rebecca and James reunite to get their stories straight. Hannah plays a dangerous game with Megan and Mark.

★ 6.2

E3. Episode 3

Mark's birthday party for Hannah brings good — and very bad — surprises. Kate digs into Sophia's past. Rebecca plays hardball with James.

★ 7.0

E4. Episode 4

Suspicious, Kate goads Rebecca at Ben's memorial service and pays an embarrassing price. Hannah tells Mark the truth about Megan.

★ 7.2

E5. Episode 5

Fabio becomes a liability for Rebecca, leading to a risky bargain and a bittersweet reunion with Matheus. Hannah faces the consequences of her deceit.

★ 7.0

E6. Episode 6

Rebecca schemes to stay CEO — and out of jail — while a new threat rises. Sebastian makes a confession to Kate, while Mark wrestles with his own desires.

★ 6.3