The Extra Mile (S01E05)

All the drivers set off in a race to reach the next pit stop as quickly as possible. Four contestants must deal with the fallout from their 'jump start.' Despite Ivy and Susan's absence, Leigh remains determined to compete and searches for a new co-driver. Meanwhile, Wendy's infant is put at risk when Ivy pressures her to keep racing, putting both mother and child in a precarious situation.