A Bicycle Lesson -- Description du film [en anglais] :
« When a call from home interrupts her fun weekend plans, Sabrina travels to the suburbs to visit her mom, Ruby. Ruby welcomes her impatient daughter with a home cooked lunch and a request: teach her to ride a bicycle. Sabrina begrudgingly obliges. Together mom and daughter struggle through a bicycle lesson that becomes increasingly humorous as personalities clash and frustrations mount. But when Sabrina cuts the lesson short and returns the bicycle to the garage, she discovers a disturbing secret that her mother has kept from her. A secret that not only forces them to deal with their broken relationship but also has promise to bring them closer in a way that neither of them expected. »
-- Canadian Broadcasting Corporation

Source :
"Canadian Reflections: A Bicycle Lesson" Canadian Broadcasting Corporation. https://www.cbc.ca/reflections/a-bicycle-lesson-1.4515187.