S03E09: Mika has some startling news for Brett

Karla and Janeece are in the playing fields for an archaeological dig, as the school drama continues. Grantly is preoccupied with the racing papers until some human bones are uncovered. He rushes to get head teacher Rachel and deputy head Eddie when he realises the bones are those of a baby. Eddie becomes distressed, and, out of sight, he pulls a photograph of a baby from his wallet.

The police arrive and soon discover that the mother of the baby may be a pupil. Steph takes charge of the situation, but is stunned when the mother comes forward. Eddie can't take any more, and, when challenged, reveals he has a son his ex won't let him see. Rachel takes over.

Asperger's pupil Karla, meanwhile, is confused that her dig has been interrupted. Aleesha and Danielle wind her up, and push her into getting a petition together. Davina finds out and Eddie goes ballistic.

Brett is later left reeling when Mika tells him she may be pregnant. When Donte struggles with his homework, Celine offers to help and they become close – but Donte is still carrying a torch for Chlo.

Davina and Tom seem to be getting closer, too, and Tom asks her to come for a curry with him and the girls. She refuses, but immediately regrets her decision.

Elsewhere, there's a spark between Rachel and Eddie as they become flirtatious with each other over a drink. But Rachel pushes him too far when she suggests he make contact with his ex, and he leaves – ripping up Alison's number. Rachel, however, picks up the piece of paper and decides to make a call...